68640221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 75586560

約数和(自身を除く): 6946339

約数列:

[1, 13, 73, 151, 479, 949, 1963, 6227, 11023, 34967, 72329, 143299, 454571, 940277, 5280017, 68640221]

約数ペア:

[(1, 68640221), (13, 5280017), (73, 940277), (151, 454571), (479, 143299), (949, 72329), (1963, 34967), (6227, 11023)]